ng_l2cap_default_flow
bcopy(ng_l2cap_default_flow(), &ch->iflow, sizeof(ch->iflow));
bcopy(ng_l2cap_default_flow(), &ch->oflow, sizeof(ch->oflow));
ng_l2cap_flow_p ng_l2cap_default_flow (void);
if (bcmp(ng_l2cap_default_flow(), &ch->oflow, sizeof(ch->oflow)) != 0)